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Finding the Third Proportional to 361,912.50 and 475,911

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Solution

The third proportional to 361,912.50 and 475,911 is: 625,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,912.50 : 475,911 = 475,911 : x
  2. Step 2: Convert to fraction form
    361,912.50/475,911 = 475,911/x
  3. Step 3: Cross multiply
    361,912.50x = 475,911 × 475,911
  4. Step 4: Simplify right side
    361,912.50x = 226,491,279,921
  5. Step 5: Solve for x
    x = 226,491,279,921/361,912.50
  6. Step 6: Final answer
    x = 625,817.79

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.